CVE-2018-25221
EChat Server 3.1 contains a buffer overflow vulnerability in the chat.ghp endpoint that allows remote attackers to execute arbitrary code by supplying an oversized use…
Published Mar 28, 2026 · updated Jun 17, 2026 · echatserver easy chat server
EChat Server 3.1 contains a buffer overflow vulnerability in the chat.ghp endpoint that allows remote attackers to execute arbitrary code by supplying an oversized username parameter. Attackers can send a GET request to chat.ghp with a malicious username value containing shellcode and ROP gadgets to achieve code execution in the application context.
Code
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No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 28, 2026 · NIST NVD
Detected
EChat Server 3.1 contains a buffer overflow vulnerability in the chat.ghp endpoint that allows remote attackers to execute arbitrary code by supplying an oversized username parameter. Attackers can send a GET request to chat.ghp with a malicious username value containing shellcode and ROP gadgets to achieve code execution in the application context.
Jun 17, 2026 · NIST NVD
Updated
EChat Server 3.1 contains a buffer overflow vulnerability in the chat.ghp endpoint that allows remote attackers to execute arbitrary code by supplying an oversized username parameter. Attackers can send a GET request to chat.ghp with a malicious username value containing shellcode and ROP gadgets to achieve code execution in the application context.
Affected
- cpe echatserver/easy chat serverversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2018-25221
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2018-25221
EChat Server 3.1 contains a buffer overflow vulnerability in the chat.ghp endpoint that allows remote attackers to execute arbitrary code by supplying an oversized username parameter. Attackers can send a GET request to chat.ghp with a malicious username value containing shellcod
nvd.nist.gov